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Which of the following is paramagnetic?
Options
(a) O₂⁻
(b) CN⁻
(c) NO⁺
(d) CO
Correct Answer:
O₂⁻
Explanation:
O₂⁻ (17) = σ1s², σ*1s², σ2s², σ*2s², σ2pₖ², π2pᵢ² = π2pⱼ², π*2pᵢ² = π*2pⱼ¹
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- In metal carbonyl having general formula M(CO)x where M = metal, x = 4 and the
- When acetone reacts with bleaching powder, the compound formed is
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- A 5 molar solution of H₂SO₄ is diluted from 1 liter to a volume of 10 litres
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Chemical Bonding and Molecular Structure
(86)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The compounds CHCl₃ and HF lead to the formation of a compound of fluorine
- In metal carbonyl having general formula M(CO)x where M = metal, x = 4 and the
- When acetone reacts with bleaching powder, the compound formed is
- The number of gram molecules of oxygen in 6.02 x 10²⁴ CO molecules is
- A 5 molar solution of H₂SO₄ is diluted from 1 liter to a volume of 10 litres
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Chemical Bonding and Molecular Structure (86)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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